一道SAT数学题,真是非常惭愧,但是为求得更方便的解题方法,偶还是来也...
Onthenumberline,pointPhascoordinate1/2,andpointQhascoordinate2.IfthepointRis1/4ofthewayfromPtoQ,whatisthecoordinateof
A.3/4B.7/8C.1D.9/8E.5/4